Flex Sensor 2.2 inch
It is a bend sensor for hang gesture recognition. It is a type of variable resistor. The technology of this item is based on resistive carbon elements. It detects the gesture through variation in resistance value. Its resistance increases when a body of components bends. Its radius is smaller, so it gives a higher resistance value.
Flex Sensors are commonly used in Robotic Gloves and other Robotic Control application. It can be used to analyze how much a material is being bent. This is 2.2” long and has two output leads which acts like a variable resistor. That is the resistance between two pins change based on how much the sensor is bent.